How many constant values can the type property be represented?

Which of the following are JavaScript logging libraries?

You can send data to a worker object using the _______ method.

If we want the scope visibility of Cookie to be localStorage then which of the following symbol will you use?

A child component can never send a prop back to the _____.

What does the <noscript> HTML tag do?

What does the type attribute of the navigation object being set to 2 indicate?

What will be the output of the following JavaScript code?

var grade='E';

var result;

switch(grade)
{
   case 'A':
       result+="10";
   case 'B':
       result+=" 9";
   case 'C':
       result+=" 8";
   default:
       result+=" 0";
}
document.write(result);

In this code,

<div id="demo">
<p id="p1">Para1</p>
<p id="p2">Para2</p>
</div>
<script>
var parent = document.getElementById("demo");
var child = document.getElementById("p1");
parent.removeChild(child); //This line

in place of the specified line, could we use

child.parentNode.removeChild(child);

Predict the output:

class Car {
  constructor() {
    this.sayBye = this.sayBye.bind(this);
  }
  sayHi() {
    console.log(`Hello from ${this.name}`);
  }
  sayBye() {
    console.log(`Bye from ${this.name}`);
  }
  get name() {
    return 'Ferrari';
  }
}
 

class Bird {
  get name() {
    return 'Tweety';
  }
}
 

const car = new Car();
const bird = new Bird();
 

 car.sayHi();
bird.sayHi = car.sayHi;
bird.sayHi();
bird.sayBye = car.sayBye;
bird.sayBye();